Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1989-12-07
1991-04-16
Bell, Mark L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
428457, 428688, 428698, 428704, 501103, 501127, 501128, 501134, 501153, 501154, 524413, 524437, 524490, 524588, 528 15, 528 31, C08K 310, C08K 507
Patent
active
050083201
ABSTRACT:
This invention relates to materials produced by diluting in a solvent a platinum or rhodium catalyzed preceramic mixture of a hydrogen silsesquioxane resin and a metal oxide precursor selected from the group consisting of an aluminum alkoxide, a titanium alkoxide, and a zirconium alkoxide. The preceramic mixture solvent solution is applied to a substrate and ceramified by heating. One or more ceramic coatings containing silicon carbon, silicon nitrogen, or silicon carbon nitrogen can be applied over the ceramified SiO.sub.2 /metal oxide coating. A CVD or PECVD top coating can be applied for further protection. The invention is particularly useful for coating electronic devices.
REFERENCES:
patent: 4822697 (1989-04-01), Haluska et al.
patent: 4847162 (1989-07-01), Haluska et al.
patent: 4849296 (1989-07-01), Haluska et al.
patent: 4898907 (1990-02-01), Haluska et al.
Haluska Loren A.
Michael Keith W.
Tarhay Leo
Bell Mark L.
Dow Corning Corporation
Gobrogge Roger E.
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